- Baoding Jindi Machinery Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Hebei Province Yanshan County Electricity Pipe Fitting Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Dayang Petroleum Equipment Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Qingdao huizhong industry co.,ltd.
- Main business:
- Caribbean RegionBermuda
- Haitian International Limited
- Main business:
- Caribbean RegionBermuda
- Shijiazhuang Ruidatong Pipe Fitting Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- wenhe metalworks co ltd
- Main business:
- Caribbean RegionBermuda
- yueqing zhengguang plastic electronics co.,ltd
- Main business:
- Caribbean RegionBermuda
- Dexin Precision Casting Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- wenzhou heli automatic meter co.,ltd
- Main business:
- Caribbean RegionBermuda
- shijiazhuang jizhong mallleable iron Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- China Wante Pipeline Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tsingtao Hainuoao Oilfield Machinery Co., LTD
- Main business:
- Caribbean RegionBermuda
- Wenzhou jinzhou group valve co.,ltd
- Main business:
- Caribbean RegionBermuda
- Zhangqiu Ruiye Mechanical Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Liaocheng Tianrui Steel Tube Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Hebei Xinghao Pipeline Equipment Manufacturing Ltd.
- Main business:
- Caribbean RegionBermuda
- BOHAI PIPE VALVE CO.,LTD
- Main business:
- Caribbean RegionBermuda
- Hunan Shinestar
- Main business:
- Caribbean RegionBermuda
- Hebei Guanxu Enterprise
- Main business:
- Caribbean RegionBermuda